Homalopetalum pumilio (Rchb. f.) Schltr. 1923
Photo by © Alexander Hirtz
Photos by © Milan Vagner
Drawing by © Hamer
NOCTURNAL 
to 
and
Common Name Dwarf Homalopetalum
Flower Size to almost 2" [to almost 6 cm]
Found in Mexico, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Ecuador and Peru on scrubby trees on larger branches and trunks or moss and lichen covered rocks in damp oak and pine forests with a dry season often in shade at elevetions of 500 to 2000 meters as a miniature sized, cool to warm growing, trailing, pendant, epiphytic or lithophytic species with tiny mule ear leaves is with ovate-eliptic pseudobulbs subtended by imbricate triangular sheaths and carrying a single subcoriaceous, ovate-lanceolate, carinate beneath leaf that is conduplicate at the base and blooms in the spring and summer on a terminal, arcuate to pendant, short to 3" [2.5 to 7.7 cm], single flowered inflorescence arising on mature growths and holding the nocturnally fragrant [herbal to watermelon] flowers just above leaf length.
Cool, constant damp conditions will be needed and it is best mounted on a slab.
Synonyms Bletia pumilio Rchb.f 1862; *Brassavola pumilio Rchb.f 1844; Homalopetalum costaricensis Schltr. 1923; Homalopetalum lehmanniana (Kraenzl.) Schltr. 1923; Pinelia lehmanniana Kraenzl. 1899; Pinelia pumilio (Rchb. f.) Schltr. 1918; Pinelia tuerckheimii Krzl. 1930; Restrepia lehmanniana (Kraenzl.) Schltr. 1907; Sessilibulbum pumila (Ames) Brieger
References W3 Tropicos, Kew Monocot list , IPNI ;
Linnaea 18: 402 Rchb.f 1845 as Brassavola pumilio
Ann. Bot. Syst. 6: 433 Rchb;.f 1862 as Bletia pumilio;
Bot. Jahrb. Syst. 26: 479 Kraenzl. 1899 as Pinelia lehmanniana;
Repert. Spec. Nov. Regni Veg. 3: 277 Schlechter 1907 as Restrepia lehmanniana;
Beih. Bot. Centralbl. 36(2): 478 Schlechter 1918 as Pinelia pumilio;
Repert. Sp. Nov. Regni. Veg. Beih. 19: 47. Costa Rica Schlechter 1923 as H costaricense;
Repert. Sp. Nov. Regni. Veg. Beih. 19: 223. Costa Rica Schlechter 1923 as H costaricense;
*Arch. Bot. São Paulo 1: 250 Schlechter 1926;
Arch. Bot. São Paulo 1: 250 Schlechter 1926 as H lehmanniana
Ann. Naturhist. Mus. Wien 44: 326 Kraenzl. 1930 as Pinelia tuerckheimii;
Encyclopedia of Cultivated Orchids Hawkes 1965;
Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 8 449 - 512 Brieger, Maatsch and Senghas 1976;
Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 8 449 - 512 Brieger, Maatsch and Senghas 1976;
Orchid Digest Vol 46 No 4 1982 drawing/photo fide;
Las Orquedias de El Salvador Vol 3 Hamer 1981 drawing fide;
AOS Bulletin vol 53 no 7 1984 photo fide;
Icones Planetarum Tropicarum Plate 926 Dodson 1984 drawing fide;
Icones Planetarum Tropicarum Plate 1022 Dodson 1984 drawing fide;
Flora Novo-Galaciana Vol 16 McVaugh 1985 drawing fide;
An Introdution to the Orchids of Mexico Wiard 1987 photo fide;
Selbyana Vol 10 Orchids of Central America Hamer 1988 drawing fide;
Cattleyas and Their Relatives Withner Vol 3 1990 as Pinelia lehmanniana;
Cattleyas and Their Relatives Vol 5 Withner 1998 photo fide;
Icones Planetarum Tropicarum Plate 1536 Atwood 1993 drawing fide;
Icones Orchidacearum Peruviarum Plate 259 Bennett & Christenson 1995 drawing fide;
Guatemala Y Sus Orquideas Behar & Tinschert 1998 photo fide;
Native Ecuadorian Orchids Vol 2 Dodson 2001 drawing/photo fide;
Rudolf Schlechter Die Orchideen Band 1C lieferung 42 - 43 pg 2626 - 2762 Brieger 2001 photo fide;
Manual de Plants de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003 drawing good;
Orquideologia Vol. 23 No 1 2004 photo fide;
Algunas Orquideas de Oaxaca Suarez 2004 photo fide;
Vanishing Beauty, Native Costa Rican Orchids Vol 1 Pupulin 2005 photos fide;
Icones Orchidacearum fascile 10 plate 1029 Hagsater & Soto 2008 drawing fide;
Algunas Orquideas de Mexico Tomo 1 Suarez 2013 photo fide;
Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 photo fide;
Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as H tuerkheimii;
Orchids A Colombian Treasure Vol 3 Ortiz & Uribe 2019 as H lehmannianum drawing/photo fide;
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